2851122380 has 24 divisors (see below), whose sum is σ = 5991430032. Its totient is φ = 1139673152.

The previous prime is 2851122361. The next prime is 2851122397. The reversal of 2851122380 is 832211582.

It is a happy number.

2851122380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17882 + ... + 77601.

It is an arithmetic number, because the mean of its divisors is an integer number (249642918).

Almost surely, 2^2851122380 is an apocalyptic number.

2851122380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2851122380 is an abundant number, since it is smaller than the sum of its proper divisors (3140307652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2851122380 is a wasteful number, since it uses less digits than its factorization.

2851122380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96985 (or 96983 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 2851122380 is about 53395.9022772347. The cubic root of 2851122380 is about 1417.9860327541.

The spelling of 2851122380 in words is "two billion, eight hundred fifty-one million, one hundred twenty-two thousand, three hundred eighty".